Evidence row 569572

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Find the matching ReactionMetric browser test page.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "test": {
            "enum": [
              "reaction",
              "reflex",
              "double_click",
              "cps",
              "f1",
              "sound",
              "keyboard"
            ],
            "type": "string"
          }
        },
        "required": [
          "test"
        ],
        "type": "object"
      },
      "name": "find_reaction_test"
    },
    {
      "description": "Calculate a transparent median of five user-supplied valid browser-observed reaction times in milliseconds; no calibration or population percentile claims.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "trials_ms": {
            "items": {
              "maximum": 10000,
              "minimum": 1,
              "type": "number"
            },
            "maxItems": 5,
            "minItems": 5,
            "type": "array"
          }
        },
        "required": [
          "trials_ms"
        ],
        "type": "object"
      },
      "name": "summarize_reaction_trials"
    }
  ]
}

What the leaf hashes

{"body":"22a43a18c3b62eacc89cbcc553f2fb1d066007507c3f4ecc1c84b7ff2dbf231e","id":569572,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139409289525,"prev":null,"subject":"28ac7577-5c0f-4fda-88ee-6c1288147880","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x107a3cbadcfc6df8d49789f8f61ae9b2c232318ff47c5ca4e6a2ca3c8ade9539
2. 0xff921f67e7a43fd3dc9a9b024e27696c841a331f8769f568215f6729ed2e421d
3. 0xefa32191f7cd2aaf30944df9b1de75a75b5a8526f52149ccf28704eb59cc8b3b
4. 0x9d8aa6709d6317bd50ac6213a2bf2d9249093227f25319ef581eb64c87aadcc5
5. 0x2e573cb0d3326a86e4dc41255283368cbf5ced881cc08312f973b7ea40feac7a
6. 0x8c4ebaed5e54ee84e2bb128df27065df931bee82f66232227f6b88bf66bf2d0d
7. 0xcf82298992723265a3c06210b3e1edc0d80eb3b4771b24e4d1ecab33c7fe5e76
8. 0x7e70fa0f80f976380a14e5fa64f448886c5c12ee6cdcfc70f4ca23a183753192
9. 0x48b8a98af2dacd02a1897519c35b6f31be96c79d0c61e68dda0559bb3b213110
10. 0x9c7266801e87e4661955130191f6962c2123c07a8a6152d1bdbb1b4d9e6ad118
11. 0x1f45fb42c8950b8677f8b081328341df05c76a2daefeed7f5101116aeb98bd62
12. 0x0d3ea2b5e8eb21cf4cb25a0567ff70340d50d07631267f35ddfc7cd1de74eea5
13. 0xedf6ab3c3733ce137d888d3e5f7006ba77ab04b8f1fe576519f7b056959665ee
14. 0x52c5141da0cbee106a30396ee7d1360fd22f55084aca2ca436c8007892775670
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4